593
FZUS51 KBOX 272306
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 PM EDT MON JUL 27 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-281200-
705 PM EDT MON JUL 27 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
INCREASING RISK FOR ROUGH SEAS TOWARDS THE MIDDLE OF NEXT WEEK AS
LOW PRESSURE APPROACHES FROM THE W. BEST CHANCE FOR SMALL CRAFT
ADVISORY CONDITIONS EXIST FOR THE OUTER WATERS LATER WEDNESDAY. LOW
PRESSURE WILL ALSO BRING PERIODIC CHANCES FOR SHOWERS AND PERHAPS
THUNDERSTORMS TUE THROUGH MID-WEEK. ROUGH SEAS SHOULD START TO
DIMINISH HEADING INTO THE BACK HALF OF THE WEEK.
ANZ250-281200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND SE 2 FT AT 7 SECONDS.
TUE
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
3 SECONDS AND SE 2 FT AT 3 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SE 3 FT AT 8 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE
AFTERNOON.
WED NIGHT
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SE 4 FT AT 5 SECONDS AND SE 4 FT AT 7 SECONDS. SHOWERS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 3 FT AT 7 SECONDS.
SHOWERS LIKELY, MAINLY IN THE MORNING.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
S WINDS AROUND 5 KT. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-281200-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 6 SECONDS AND SE 3 FT AT 8 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND E 3 FT AT
8 SECONDS. PATCHY FOG AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
WED
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND SE 4 FT AT
12 SECONDS. SHOWERS.
WED NIGHT
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 6 SECONDS AND S 2 FT AT 10 SECONDS. SHOWERS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND SE 2 FT AT
7 SECONDS. SHOWERS LIKELY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
S WINDS AROUND 5 KT. SEAS AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-281200-
CAPE COD BAY-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 9 SECONDS AND SE 1 FOOT AT 3 SECONDS.
TUE
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND SE 3 FT AT 16 SECONDS. SHOWERS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS AROUND 5 KT. SEAS AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-281200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT
6 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E 4 FT AT 6 SECONDS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
WED NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SE 4 FT AT 7 SECONDS AND SE 3 FT AT 4 SECONDS. SHOWERS LIKELY,
MAINLY IN THE EVENING.
THU
SE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS AND E 2 FT AT 6 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
SE WINDS AROUND 10 KT, BECOMING E AFTER MIDNIGHT.
SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-281200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 6 SECONDS AND SE 2 FT AT 7 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT
6 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SE 3 FT AT 6 SECONDS AND E 1 FOOT AT 6 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 6 SECONDS AND S 5 FT AT 7 SECONDS.
SHOWERS.
WED NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS
AND E 3 FT AT 4 SECONDS. SHOWERS LIKELY, MAINLY IN THE EVENING.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 9 SECONDS AND SW 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
S WINDS 10 TO 15 KT, BECOMING E AFTER MIDNIGHT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-281200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND SE 3 FT
AT 8 SECONDS.
TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND NE 3 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY
1 TO 3 NM IN THE EVENING.
WED
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 6 SECONDS AND W 2 FT AT 7 SECONDS. SHOWERS.
WED NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND E
3 FT AT 6 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND S 5 FT AT
9 SECONDS. A CHANCE OF SHOWERS.
FRI THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-281200-
NANTUCKET SOUND-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 1 FOOT
AT 7 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
WED
SE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND NE 3 FT AT 5 SECONDS.
SHOWERS.
WED NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 5 SECONDS AND SE 3 FT AT 7 SECONDS. SHOWERS, MAINLY IN
THE EVENING.
THU AND THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-281200-
VINEYARD SOUND-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 10 SECONDS AND S 1 FOOT AT 3 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND S 1 FOOT AT
7 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 3 FT AT 4 SECONDS.
SHOWERS.
WED NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND E 2 FT AT 3 SECONDS. SHOWERS.
THU
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 9 SECONDS AND
SW 2 FT AT 5 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-281200-
BUZZARDS BAY-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
S 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. WAVE DETAIL: SE 3 FT AT 3 SECONDS AND SE 3 FT AT 7 SECONDS.
SHOWERS.
WED NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 6 SECONDS AND S 3 FT AT 14 SECONDS. SHOWERS.
THU
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS. SHOWERS LIKELY,
MAINLY IN THE MORNING.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-281200-
RHODE ISLAND SOUND-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT AT
7 SECONDS.
TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. VSBY 1 NM OR LESS IN THE EVENING.
WED
SE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 5 SECONDS AND S 5 FT AT 7 SECONDS. SHOWERS.
WED NIGHT
SE WINDS 15 TO 20 KT, BECOMING E 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND
SE 3 FT AT 11 SECONDS. SHOWERS LIKELY.
THU
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
THU NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-281200-
BLOCK ISLAND SOUND-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E 3 FT AT
8 SECONDS.
TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND S 3 FT AT
6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM IN THE
EVENING.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SW 2 FT AT 6 SECONDS.
SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 4 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. SHOWERS
LIKELY.
THU AND THU NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND NE 2 FT AT 3 SECONDS. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
FRI
NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-281200-
BOSTON HARBOR-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. SHOWERS.
WED NIGHT
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. SHOWERS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS AROUND 5 KT, BECOMING S. WAVES
1 FOOT OR LESS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-281200-
NARRAGANSETT BAY-
705 PM EDT MON JUL 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
TONIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS IN THE MORNING.
TUE NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
4 FT. SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SHOWERS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. SHOWERS
LIKELY. A CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. WAVES
AROUND 2 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-281200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 PM EDT MON JUL 27 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS AND S 2 FT AT 3 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS AND S 3 FT AT 8 SECONDS.
A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS AND SE 2 FT AT
11 SECONDS. SHOWERS.
THU
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND E 3 FT AT 6 SECONDS.
A CHANCE OF SHOWERS.
THU NIGHT
E WINDS AROUND 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
FRI
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-281200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 PM EDT MON JUL 27 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS AND SE 2 FT AT 2 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
E 2 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 4 FT AT 6 SECONDS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE
AFTERNOON.
WED NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S
5 FT AT 6 SECONDS AND E 4 FT AT 6 SECONDS. SHOWERS LIKELY, MAINLY
IN THE EVENING.
THU AND THU NIGHT
SE WINDS AROUND 10 KT WITH GUSTS UP TO
20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 10 SECONDS AND SE
2 FT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE MORNING. A CHANCE
OF SHOWERS THROUGH THE NIGHT.
FRI
NE WINDS AROUND 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-281200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 PM EDT MON JUL 27 2026
TONIGHT
SW WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
E 2 FT AT 6 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 4 FT AT
8 SECONDS.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND NE 1 FOOT AT 6 SECONDS, BECOMING E 6 FT AT
6 SECONDS AND W 3 FT AT 8 SECONDS. SHOWERS.
WED NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 5 TO 6 FT. WAVE DETAIL: S 6 FT AT 9 SECONDS AND E
3 FT AT 6 SECONDS. SHOWERS LIKELY, MAINLY IN THE EVENING.
THU
S WINDS AROUND 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT
AT 9 SECONDS AND SW 4 FT AT 4 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 5 FT. A CHANCE OF
SHOWERS.
FRI THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-281200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 PM EDT MON JUL 27 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT
8 SECONDS.
TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SE 4 FT AT
6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 6 SECONDS AND W 3 FT AT 8 SECONDS.
SHOWERS.
WED NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND E
3 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
THU
S WINDS AROUND 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT
9 SECONDS AND SE 4 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS AROUND 5 FT. A CHANCE OF
SHOWERS.
FRI THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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